Knoxville Weather Forecast

    • 67
    • 91

    Chance Thunderstorms

    • 65
    • 86

    Patchy Smoke

    • 73
    • 90

    Chance Thunderstorms

    • 62
    • 87

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 62
    • 82

    Chance Rain Showers

Today 18 Jul Knox

Mostly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Northwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent. Heat index Values up to 101.

Tonight 18 Jul Knox

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Patchy smoke after midnight. Lows in the upper 60s. North Winds 5 to 10 Mph, becoming northeast after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Knoxville Temperature Statistics

July Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 8 July, 2026

    60.6 °F

  • Average July

    76.6 °F

  • Highest 16 July, 2026

    90.7 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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